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<h1 class="topictitle1">关于即时挂载</h1>
<div><p><span>OceanProtect</span>支持即时挂载功能，通过将备份副本挂载给使用数据的主机，达到可立即访问备份副本数据的效果。</p>
<div class="section"><h4 class="sectiontitle">应用场景</h4><ul><li>开发测试数据验证<p>快速从备份副本访问文件系统数据，在该环境中运行测试脚本、验证应用程序等。</p>
</li><li>分钟级恢复<p>当生产卷异常时，您可以将备份副本挂载给生产主机，减少业务中断时间。</p>
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<div class="section"><h4 class="sectiontitle">即时挂载业务流程</h4><p>即时挂载的业务流程如<a href="#nas_s_0064__fig813012537366">图1</a>所示。以下以客户端部署在<span>OceanProtect</span>为例说明。</p>
<div class="fignone" id="nas_s_0064__fig813012537366"><a name="nas_s_0064__fig813012537366"></a><a name="fig813012537366"></a><span class="figcap"><b>图1 </b>即时挂载业务流程</span><br><span><img class="eddx" src="zh-cn_image_0000002164645340.png"></span></div>
<ol><li><span style="color:#1D1D1A;">用户通过</span><span style="color:#1D1D1A;">OceanProtect</span><span style="color:#1D1D1A;">管理界面</span><span style="color:#1D1D1A;">自动调度或者手动触发即时挂载</span><span style="color:#1D1D1A;">任务，并将任务发送</span><span style="color:#1D1D1A;">到数据保护</span><span style="color:#1D1D1A;">引擎。</span></li><li><span style="color:#1D1D1A;">数据保护引擎基于恢复目标副本，创建克隆文件系统。</span></li><li><span style="color:#1D1D1A;">客户端为生产主机创建共享并授予访问控制权限，以便克隆文件系统可挂载。</span></li><li><span style="color:#1D1D1A;">用户在生产主机</span><span style="color:#1D1D1A;">OS手动挂载</span><span style="color:#1D1D1A;">克隆文件系统，通过</span><span style="color:#1D1D1A;">NFS/CIFS</span><span style="color:#1D1D1A;">协议实时访问文件</span>。</li></ol>
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<div class="parentlink"><strong>父主题：</strong> <a href="nas_s_0063.html">即时挂载（适用于OceanProtect X系列备份一体机、OceanProtect E1000（备份存储为OceanProtect））</a></div>
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